Nancy Pelosi Positive For COVID-19; Was At White House With Biden

The transcript discusses a positive COVID-19 test announcement made before an 82-year-old's news conference. It mentions Pelosi's presence at a White House event with President Biden, where attendees tested negative beforehand. Additionally, Attorney General Merrick Garland also tested positive for COVID-19.

What did the White House spokesperson say about the attendees?

Who tested positive for COVID-19 earlier in the week mentioned in the text?